<!DocType html>
<html>
<head>
    <meta charset="UTF-8">
    <title>hello!</title>
</head>
<body>
<a id="顶部" href="#底部">底部</a>
<h1>hello world!</h1>
<p>hello world!</p>
<p>你好<em>你好你好你好</em>你好你好你好<br><b>你好你好<sub>你好你好你好</sub>你好<sup>你好你好</sup>你好你好你</b><br><i>好你好你好你好你好你好你好你好你好你好你好你好你好你好你好</i></p>
<img src="../static/1.png" alt="some_text">
<a id="底部" href="https://baidu.com" target="_blank" title="你好">这是百度</a>
<a href="#顶部">顶部</a>
<img src="../static/1.png" alt="some_text">
<hr>
</body>
</html>